UNIVERSITY 5036

Oil · District 08 · Lease #38362

Operator: THREE RIVERS OPERATING CO LLC

Fields: SPRABERRY (TREND AREA)

Cum Oil

132k BBL

Cum Gas

236k MCF

casinghead

Wells

1

Production

2007-09 — 2026-04

Peak Month

2007-10

Production History

Cum Oil: 132,289 BBL Cum Gas: 235,813 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

6,371 BBL/mo

Di (annual)

87.7%

b-factor

0.4

EUR

143,433 BBL

R-squared

0.945

type

hyperbolic

Operator History (from monthly production reports)

2012-08 — 2026-07 COG OPERATING LLC 168 mo

2011-01 — 2012-07 THREE RIVERS OPERATING CO LLC 19 mo

2007-09 — 2010-12 SAMSON LONE STAR, LLC 40 mo

Wells (1)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
1	42-003-40043	COG OPERATING LLC	2	11,500	2007-02-02